OpenTechnical

OT-2026-000103596

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103596) never changes.

Identity and time

Publication numberOT-2026-000103596 · never reused
Internal UUID01a0aea4-e461-7e53-be33-7d3df109b366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103596
StatusPUBLIC

Content hashes

Canonical text8b5f78b79d70c1b04bc361035006e0f62c5d782d7ab827dc87f7684c3be5bb75
Markdowne7e3419f8a7d34ed01496276c2a5098f8c1103141c2da26f65c7b4c72dbd7f89
PDF
Publication pageb0bd545bde86bcca6c28fa15756ab8cb0a6329b45cb0f725323982c8d08e4ab4
Manifeste1b7a19fa6127c5ca14fd61da23c4e11d5225e17ff0144bdc0040eff5d45f71b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureK8iSepoVX4hIeTSidToCip2Sku01wvnUxILc2Z+ldvru0Of3vfXixbWGbCSdAFPkfBkxfJAnFX1tnWw/Ncb3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:23.093561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103596
observed b0bd545bde86bcca6c28fa15756ab8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.077329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103596/manifest.json
observed e1b7a19fa6127c5ca14fd61da23c4e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.059253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103596/publication.md
observed e7e3419f8a7d34ed01496276c2a5098f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.040615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103596/publication.txt
observed 8b5f78b79d70c1b04bc361035006e0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.